一种基于自适应加权的无线传感器网络室内能量均衡路由  

Weight Coefficient Adaptive Based Indoor Energy Load-Balanced Wireless Sensor Networks Routing

作　　者：黄河[1] 石为人[1] 许磊[2] 王小刚[1] 钟文强[1] 

机构地区：[1]重庆大学自动化学院,重庆400044 [2]重庆电子工程职业学院,重庆401331

出　　处：《电子学报》2010年第11期2493-2498,共6页Acta Electronica Sinica

基　　金：国家863计划项目(No.2006AA780201-2);重庆市重大科技专项(No.CSTC;2008AB6115)

摘　　要：针对无线传感器网络在结构复杂多变的室内环境应用时,容易出现的传播损耗估计误差较大、难以结合环境变化实现自适应路由优化等问题,提出了一种基于自适应加权的室内能量均衡路由(Weight coefficient Adaptivebased Indoor Energy load-balanced Routing,WAIER)算法.WAIER将路由建立过程抽象为典型的多属性决策过程,以主客观综合赋权法和熵权系数法实现权重系数的确定及自适应动态调整,并结合传播损耗、节点能量等信息,选取最优节点进行数据转发.实验表明WAIER实现了权重的动态自适应,使数据流量得到合理分配,在室内环境应用时可有效平衡网络能量消耗,延长网络生存时间.When wireless sensor network used in complex indoor environment,great propagation loss will be caused and difficult to optimize routing adaptively when environment changed.Based on these problems,we presented a protocol-Weight coefficient Adaptive based Indoor Energy load-balanced Routing（WAIER）.WAIER formulate the routing setup process as the typical multiple attribute decision making process,use objective with subjective weight coefficient method and entropy weight coefficient method to adjust the weight coefficient.Nodes can choose an optimal node to relay the data by comprehensive consideration of the weight coefficient,the propagation loss and the energy of its neighbor nodes.Simulation results show that the WAIER make weight coefficient adaptive dynamically,lead to an appropriate allocation of the data.When used in indoor environment,sensor network could obtain a much more even energy distribution,accordingly the lifetime of the sensor network will be prolonged.

关 键 词：无线传感器网络 自适应 熵 能量均衡 多属性决策 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]